diff --git a/src/routes/api/v1/user_codecheck.ts b/src/routes/api/v1/user_codecheck.ts
index 0cca74b..60c7833 100644
--- a/src/routes/api/v1/user_codecheck.ts
+++ b/src/routes/api/v1/user_codecheck.ts
@@ -24,9 +24,10 @@ async function get(req: Request, res: Response) {
 			.then((result) => {
 				// user has no code OR code must match
 				// result?.code === ''		-> user exists and has no code
+				// result?.code === null	-> user exists and has no code
 				// result?.code === undefined	-> user does not exists
   				// value.code === result?.code	-> If user exists and has no code this matches
-				res.status(200).json(result?.code === '' || result?.code === undefined || value.code === result?.code);
+				res.status(200).json(result?.code === '' || result?.code === null || result?.code === undefined || value.code === result?.code);
 				//log.api?.debug(result, result?.code);
 			});
 	}